wow
exclamation
[ waʊ ]
• expressing astonishment or admiration.
• "‘Wow!’ he cried enthusiastically"
wow
noun
• a sensational success.
• "your play's a wow"
wow
verb
• impress and excite (someone) greatly.
• "they wowed audiences on their recent British tour"
Origin:
natural exclamation: first recorded in Scots in the early 16th century.
wow
noun
• slow pitch fluctuation in sound reproduction, perceptible in long notes.
Origin:
1930s: imitative.